Elongatoolithus
| Elongatoolithus | |
|---|---|
 | |
| E. excellens nest in CosmoCaixa Barcelona | |
Eggshell classification  | |
| Basic shell type: | Ornithoid |
| Morphotype: | Ornithoid-ratite |
| Oofamily: | †Elongatoolithidae |
| Oogenus: | †Elongatoolithus Zhao, 1975 |
| Species | |
|
See text | |
Elongatoolithus is an oogenus of Cretaceous small-to-medium sized theropod dinosaurs.[1] The smallest species in this oogenus are E. excellens and the largest E. andrewsi and E. frustrabilis. The oogenus is smaller than Macroolithus.[2] Fossils of this oogenus have been found in the fluvial, lacustrine and continental Pingling, Subashi, Jingangkou, Donggou, Yuanpu,[3] and Daijiaping Formations of China, the Nemegt, Barun Goyot,[4] and Djadokhta Formations of Mongolia and the El Castellar Formation of Spain.[5]
Species
Pair of E. elongatus eggs, Paleozoological Museum of China
The following species of the oogenus are identified:[5]
- E. andrewsi
- E. chichengshanensis
- E. elongatus
- E. excellens
- E. frustrabilis
- E. laijiaensis
- E. magnus
- E. sigillarius
- E. subtitectorius
- E. taipinghuensis
References
- ↑ Mikhailov, 1997, p.62
- ↑ Mikhailov, 1997, p.64
- ↑ Carpenter et al., 1996, p.187
- ↑ Carpenter, 1999, p.267
- 1 2 Elongatoolithus at Fossilworks.org
Bibliography
- Carpenter, Kenneth. 1999. Eggs, Nests, and Baby Dinosaurs: A Look at Dinosaur Reproduction, 1–336. Indiana University Press. Accessed 2018-06-03.
- Carpenter, Kenneth; Karl F. Hirsch, and John R. Horner. 1996. Dinosaur Eggs and Babies, 1–372. Cambridge University Press. Accessed 2018-06-03.
- Mikhailov, Konstantin. 1997. Fossil and recent eggshell in amniotic vertebrates: fine structure, comparative morphology and classification. Special papers in Palaeontology 56. 1–81. Accessed 2018-06-03.
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